(0).toString();

(Object.prototype.toString.call());

({}.toString.call());

(/^a$/).test(x);

a = (b * c);

(a * b) + c;

typeof (a);

(0)
a + (b * c)
a + ((b * c))
(a)(b)
((a))(b)
a, (b = c)
a, ((b = c))
for(a in (0));
for(a in ((0)));
var a = (b = c)
var a = ((b = c))
_ => (a = 0)
_ => ((a = 0))